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NO x Regulation and Environmental Technological Change in the Glass Industry: A Case Study Based on Patent Evidence on NO x Primary Measures from the EU and USA
Author(s) -
Triebswetter Ursula,
Rave Tilman
Publication year - 2013
Publication title -
environmental policy and governance
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.987
H-Index - 48
eISSN - 1756-9338
pISSN - 1756-932X
DOI - 10.1002/eet.1586
Subject(s) - patent analysis , spillover effect , knowledge spillover , face (sociological concept) , qualitative analysis , technological change , business , international trade , economics , industrial organization , qualitative research , sociology , social science , data science , computer science , macroeconomics , microeconomics
The aim of this study was to investigate the relationship between the stringency of NO x regulation and environmental technological change in the EU and US glass industry. A time series of patents on NO x primary reduction measures, including oxy‐fuel technology drawn from the international patent class ‘glass melting furnaces’, serves as an indicator of technological change. A qualitative analysis based on patent data and face‐to‐face interviews with glass industry representatives revealed that NO x ‐related patent registrations, particularly in Germany and the US, are closely associated with early national NO x regulations and to a more limited extent with international regulation. Quantitative analysis of patent citations as a measure of knowledge spillover between patents showed that the strong environmental knowledge of Germany and the US is not only widely used within these countries, and also in other countries where environmental regulation began at a later stage. Copyright © 2013 John Wiley & Sons, Ltd and ERP Environment.